From: Muhammad Falak R Wani <falakreyaz@gmail.com>
To: Sebastian Reichel <sre@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH] HSI: cmt_speech: use vma_pages().
Date: Sat, 21 May 2016 18:49:21 +0530 [thread overview]
Message-ID: <1463836763-16758-1-git-send-email-falakreyaz@gmail.com> (raw)
Replace explicit computation of vma page count by a call to
vma_pages()
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
---
drivers/hsi/clients/cmt_speech.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hsi/clients/cmt_speech.c b/drivers/hsi/clients/cmt_speech.c
index 95638df..b16cfa4 100644
--- a/drivers/hsi/clients/cmt_speech.c
+++ b/drivers/hsi/clients/cmt_speech.c
@@ -1275,7 +1275,7 @@ static int cs_char_mmap(struct file *file, struct vm_area_struct *vma)
if (vma->vm_end < vma->vm_start)
return -EINVAL;
- if (((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) != 1)
+ if (vma_pages(vma) != 1)
return -EINVAL;
vma->vm_flags |= VM_IO | VM_DONTDUMP | VM_DONTEXPAND;
--
1.9.1
next reply other threads:[~2016-05-21 13:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-21 13:19 Muhammad Falak R Wani [this message]
2016-05-30 5:13 ` [PATCH] HSI: cmt_speech: use vma_pages() Sebastian Reichel
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